JP5039693B2 - コンテンツ検索装置 - Google Patents

コンテンツ検索装置 Download PDF

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Publication number
JP5039693B2
JP5039693B2 JP2008510758A JP2008510758A JP5039693B2 JP 5039693 B2 JP5039693 B2 JP 5039693B2 JP 2008510758 A JP2008510758 A JP 2008510758A JP 2008510758 A JP2008510758 A JP 2008510758A JP 5039693 B2 JP5039693 B2 JP 5039693B2
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JP
Japan
Prior art keywords
content
decryption key
database
encrypted content
encrypted
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
JP2008510758A
Other languages
English (en)
Japanese (ja)
Other versions
JPWO2007119324A1 (ja
Inventor
卓治 前田
誠 越智
信治 井上
一哉 藤村
由紀子 井上
広和 宗
正人 須藤
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Panasonic Corp
Panasonic Holdings Corp
Original Assignee
Panasonic Corp
Matsushita Electric Industrial Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Panasonic Corp, Matsushita Electric Industrial Co Ltd filed Critical Panasonic Corp
Priority to JP2008510758A priority Critical patent/JP5039693B2/ja
Publication of JPWO2007119324A1 publication Critical patent/JPWO2007119324A1/ja
Application granted granted Critical
Publication of JP5039693B2 publication Critical patent/JP5039693B2/ja
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F21/10—Protecting distributed programs or content, e.g. vending or licensing of copyrighted material ; Digital rights management [DRM]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/08—Key distribution or management, e.g. generation, sharing or updating, of cryptographic keys or passwords
    • H04L9/0894—Escrow, recovery or storing of secret information, e.g. secret key escrow or cryptographic key storage
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L2209/00—Additional information or applications relating to cryptographic mechanisms or cryptographic arrangements for secret or secure communication H04L9/00
    • H04L2209/60—Digital content management, e.g. content distribution
JP2008510758A 2006-03-17 2007-03-09 コンテンツ検索装置 Expired - Fee Related JP5039693B2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2008510758A JP5039693B2 (ja) 2006-03-17 2007-03-09 コンテンツ検索装置

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP2006073798 2006-03-17
JP2006073798 2006-03-17
JP2008510758A JP5039693B2 (ja) 2006-03-17 2007-03-09 コンテンツ検索装置
PCT/JP2007/054661 WO2007119324A1 (ja) 2006-03-17 2007-03-09 コンテンツ検索装置

Publications (2)

Publication Number Publication Date
JPWO2007119324A1 JPWO2007119324A1 (ja) 2009-08-27
JP5039693B2 true JP5039693B2 (ja) 2012-10-03

Family

ID=38609130

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2008510758A Expired - Fee Related JP5039693B2 (ja) 2006-03-17 2007-03-09 コンテンツ検索装置

Country Status (5)

Country Link
US (1) US20090147960A1 (zh)
EP (1) EP2000943A4 (zh)
JP (1) JP5039693B2 (zh)
CN (1) CN102084376B (zh)
WO (1) WO2007119324A1 (zh)

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US8161383B2 (en) * 2007-06-26 2012-04-17 Canon Kabushiki Kaisha Information processing apparatus and information processing method
JP2010061374A (ja) * 2008-09-03 2010-03-18 Toshiba Corp 表示装置および鍵管理方法
JP5270694B2 (ja) * 2008-11-28 2013-08-21 インターナショナル・ビジネス・マシーンズ・コーポレーション 機密ファイルを保護するためのクライアント・コンピュータ、及びそのサーバ・コンピュータ、並びにその方法及びコンピュータ・プログラム
JP4620158B2 (ja) * 2009-03-31 2011-01-26 株式会社東芝 コンテンツ保護装置およびコンテンツ保護方法
US9059851B2 (en) * 2010-02-23 2015-06-16 Salesforce.Com, Inc. Method and computer program product for order preserving symbol based encryption
US8806223B2 (en) * 2011-05-03 2014-08-12 Douglas Norman Crowe System and method for management of encrypted data
US9116991B2 (en) * 2011-08-16 2015-08-25 Google Inc. Searching encrypted electronic books
US9256762B1 (en) 2011-12-20 2016-02-09 Amazon Technologies, Inc. Securing a remote database
US9514329B2 (en) 2012-03-30 2016-12-06 Intellisist, Inc. Computer-implemented system and method for individual message encryption using a unique key
US8824680B2 (en) * 2012-08-08 2014-09-02 Verizon Patent And Licensing Inc. Centralized key generation
CN108270574B (zh) * 2018-02-11 2021-02-09 浙江中控技术股份有限公司 一种白名单库文件的安全加载方法及装置
CN111010275A (zh) * 2019-12-31 2020-04-14 嘉兴太美医疗科技有限公司 密钥管理方法、生成密钥的方法和密钥管理系统

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WO1992020021A1 (en) * 1991-05-08 1992-11-12 Digital Equipment Corporation License management system
CN1183841A (zh) * 1995-02-13 1998-06-03 英特特拉斯特技术公司 用于安全交易管理和电子权利保护的系统和方法
US7073063B2 (en) * 1999-03-27 2006-07-04 Microsoft Corporation Binding a digital license to a portable device or the like in a digital rights management (DRM) system and checking out/checking in the digital license to/from the portable device or the like
JP3389186B2 (ja) * 1999-04-27 2003-03-24 松下電器産業株式会社 半導体メモリカード及び読み出し装置
JP2002062880A (ja) * 2000-08-17 2002-02-28 Sony Corp コンテンツ再生装置
US20020078178A1 (en) * 2000-08-29 2002-06-20 Matsushita Electric Industrial Co., Ltd. Content distribution control
US7624199B2 (en) * 2000-11-07 2009-11-24 Panasonic Corporation Digital data distribution system with switching unit, online acquisition unit, and conversion unit for converting from first to second format
US20040054678A1 (en) * 2000-12-08 2004-03-18 Ryuichi Okamoto Distribution device, terminal device, and program and method for use therein
JP3895940B2 (ja) * 2001-03-27 2007-03-22 三洋電機株式会社 情報端末装置
JP2003058660A (ja) * 2001-06-07 2003-02-28 Matsushita Electric Ind Co Ltd コンテンツ利用管理システム及びこれに用いられるサーバ
JP2003030056A (ja) 2001-07-16 2003-01-31 Nec Corp 電子情報配布システム及び方法
JP2003058430A (ja) * 2001-08-14 2003-02-28 Sony Corp 情報記録処理装置、コンテンツ入出力管理装置、コンテンツ管理システム、および情報記録処理方法、コンテンツ入出力管理方法、コンテンツ管理方法、並びにコンピュータ・プログラム
JP4000846B2 (ja) * 2001-12-12 2007-10-31 日本電気株式会社 コンテンツ配信補償システム及びその方法、配信サーバ端末、クライアント端末並びにプログラム
KR20040103891A (ko) * 2002-04-05 2004-12-09 마쯔시다덴기산교 가부시키가이샤 컨텐츠 이용 시스템
JP2004094677A (ja) * 2002-08-30 2004-03-25 Toshiba Corp コンテンツ流通システムの管理装置、閲覧用装置、プログラム及び方法
JP2004159036A (ja) * 2002-11-06 2004-06-03 Mitsubishi Electric Corp 通信システム及び通信装置
US7493499B1 (en) * 2003-05-22 2009-02-17 Copyright Clearance Center, Inc. Method and apparatus for secure delivery and rights management of digital content
US7373330B1 (en) * 2003-07-08 2008-05-13 Copyright Clearance Center, Inc. Method and apparatus for tracking and controlling e-mail forwarding of encrypted documents
US7324648B1 (en) * 2003-07-08 2008-01-29 Copyright Clearance Center, Inc. Method and apparatus for secure key delivery for decrypting bulk digital content files at an unsecure site
US8006307B1 (en) * 2003-07-09 2011-08-23 Imophaze Research Co., L.L.C. Method and apparatus for distributing secure digital content that can be indexed by third party search engines
US7299500B1 (en) * 2003-07-17 2007-11-20 Copyright Clearance Center, Inc. Method and apparatus for secure delivery and rights management of digital content at an unsecure site
EP1675011A1 (en) * 2003-10-14 2006-06-28 Matsushita Electric Industrial Co., Ltd. Content distribution method and content server
US7644446B2 (en) * 2003-10-23 2010-01-05 Microsoft Corporation Encryption and data-protection for content on portable medium
JP4850075B2 (ja) * 2005-01-18 2012-01-11 パナソニック株式会社 データ格納方法、データ再生方法、データ記録装置、データ再生装置および記録媒体
WO2008072753A2 (en) * 2006-12-12 2008-06-19 Panasonic Corporation Content information outputting apparatus, content information receiving apparatus, content information outputting method, content information receiving method

Also Published As

Publication number Publication date
CN102084376B (zh) 2012-11-07
US20090147960A1 (en) 2009-06-11
EP2000943A4 (en) 2012-01-04
EP2000943A1 (en) 2008-12-10
JPWO2007119324A1 (ja) 2009-08-27
CN102084376A (zh) 2011-06-01
WO2007119324A1 (ja) 2007-10-25

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